<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>

<body>
    <div id="app">
        <button @click="handler">修改数组数据</button>
        <ul>
            <li v-for="item in person " :key="item">{{item}}</li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false;

        const vm = new Vue({
            el: "#app",
            data() {
                return {
                    person: ["小王", "大李", "小张", "王中王"],
                };
            },
            methods: {
                handler() {
    
                }
            },
        })

    
    </script>
</body>

</html>